Home / 70,946.20-97,906.26-39,118.60

Finding the Fourth Proportional to 70,946.20, 97,906.26 and 39,118.60

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Solution

The fourth proportional to 70,946.20, 97,906.26 and 39,118.60 is: 53,983.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,946.20 : 97,906.26 = 39,118.60 : x
  2. Step 2: Convert to fraction form
    70,946.20/97,906.26 = 39,118.60/x
  3. Step 3: Cross multiply
    70,946.20x = 97,906.26 × 39,118.60
  4. Step 4: Simplify right side
    70,946.20x = 3,829,955,822.44
  5. Step 5: Solve for x
    x = 3,829,955,822.44/70,946.20
  6. Step 6: Final answer
    x = 53,983.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.